Ruling · Mitra Saptamī · 2057

Sunday 2 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 449 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Sunday 2 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

48 of 48 minutes covered

Midday of Monday 3 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

0 of 48 minutes covered

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 04:14 on Sun 2 Dec to 02:32 on Mon 3 Dec.

    2057-12-01T20:14:20Z → 2057-12-02T18:32:11Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 2nd, 11:44–12:32 on the 3rd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 26952 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2057: Sunday 2 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2057 falls on Sunday 2 December. Saptamī runs from 04:14 on Sun 2 Dec to 02:32 on Mon 3 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2057/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 2 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 2 Dec
compat-drikpanchangComparison profileSun 2 Dec
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/mitra-saptami · ruleset 2026.3-draft

Month
Mārgaśīrṣa, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 7 Mitra saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles12:14 → 10:3211:180 min11:190 min2 Dec
Chicago14:14 → 12:3211:160 min11:1648 min2 Dec
Jersey City15:14 → 13:3211:210 min11:2248 min2 Dec
Port of Spain16:14 → 14:3211:310 min11:3248 min2 Dec
London20:14 → 18:3211:260 min11:2648 min2 Dec
Durban22:14 → 20:3211:210 min11:2248 min2 Dec
Dubai00:14 → 22:3211:440 min11:4448 min2 Dec
Delhi01:44 → 00:0211:460 min11:4748 min2 Dec
Kolkata01:44 → 00:0211:020 min11:0248 min2 Dec
Singapore04:14 → 02:3212:300 min12:3048 min2 Dec
Sydney07:14 → 05:3212:200 min12:2148 min2 Dec
Suva08:14 → 06:3211:310 min11:3248 min2 Dec
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mitra-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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